A forest covers 43,000 acres. A survey finds that 0.7% of the forest is old-growth trees. How many acres of old-growth trees are there?
Answer:
301 acres
Step-by-step explanation:
43,000 acres of forest
0.7% is old-growth
0.7% = 0.007
43,000 * 0.007 = 301 acres
Find the curved surface area of the spheres whose radius r = 3.5cm
Answer:
154 cm²Step-by-step explanation:
[tex]A=4\pi r^2\\\\r=3.5\,cm\\\\ A=4\pi(3.5)^2=49\pi=153.93804...\approx154\ cm^2[/tex]
Someone help me I don’t know how to do this
Answer:
17 and 59
Step-by-step explanation:
90-75=17 first one
180-121=59 second one plz give me brainnessttttt pllzzzz
Hey there!
So the first angle is a complementary angle, meaning that two angles put together will equal 90 degrees. Since we already know that one angle is 75 degrees, all we need to do is 90-75 and we get 15 degrees, which is the value of the missing angle.
The second angle is a supplementary angle, which means two angles equal 180 degrees. Since we know that one angle is 121 degrees, we can take that and subtract is from 180 degrees to get 59 degrees, which is the value of the missing angle.
Remember:
A complementary angle is made of up TWO angles that add up to 90 degrees.
A supplementary angle is made up of TWO angles that add up to 180 degrees.
I hope this helped!!!
What is the difference between vertical and horizontal lines?
Answer:
A vertical line is any line parallel to the vertical direction. A horizontal line is any line normal to a vertical line. Horizontal lines do not cross each other.
Identify the lines below
Answer:
the correct awnser is A
Step-by-step explanation:
.....
Answer:
parallel.
Step-by-step explanation:
I don't know how
a board game is designed for ages 12 and up Write the inequality that represents the problem situation.
Answer:
x<=12 that is a greater than or equal to sign btw
what is a scale copie
Answer:
A scale copy of a figure is a figure that is geometrically similar to the original figure.
Step-by-step explanation:
PLEASE HELP THIS IS URGENT !
Complete the table by squaring each negative x-value listed.
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
4, 9, 16, 25, 36, 49, 64, 81, 100, 121
a negative times a negative is a positive and squaring those numbers would be multiplying a negative by itself.
For example (-2)*(-2) is 4
**note, this only applies if the negative value is in the parentheses. (-2)^2 is different than -2^2 because with -2^2 only the 2 is getting squared and then you’d have to multiply the negative after**
x x3
-2 -2^3 = -2 • -2 • -2 = -8
-3 -3^3 = -3 • -3 • -3 = -27
-4 -4^3 = -4 • -4 • -4 = -64
-5 -5^3 = -5 • -5 • -5 = -125
-6 -6^3 = -6 • -6 • -6 = -216
-7 -7^3 = -7 • -7 • -7 = -343
-8 -8^3 = -8 • -8 • -8 = -512
-9 -9^3 = -9 • -9 • -9 = -729
-10 -10^3 = -10 • -10 • -10 = -1,000
-11 -11^3 = -11 • -11 • -11 = -1,331
Answer Straight From Edmentum/Brainly Hope it helps! :)
Twenty pounds of bean are distributed equally into 16 bags to give out at the food bank.How many pounds of beans are in each bag?eter your answer in simplest form.
Answer:
1.25
Step-by-step explanation:
step 1.so if there is 20 pounds between 16 bags ok
step 2. divide 20 by 16 which equals 1.25
A band teacher ordered T-shirts for the marching band members. T-shirts cost $15 each, including tax, plus a one-time shipping fee of $10 for the order. The teacher paid a total of $370 for the T-shirts .How many T-shirts did the teacher order?
A. 15
B. 16
C. 24
D. 25
Answer:
C
Step-by-step explanation:
$370 - $10 = $360
$360 / $15 = 24
A recent survey suggests that 47% of all televisions are connected to the internet, 32% are voice controlled, and 22% are both connected to the internet and voice controlled. Suppose a television is selected at random and it is voice controlled. What is the probability that a randomly selected voice-controlled television is also connected to the internet?
0.15
0.47
0.69
0.79
The probability that a randomly selected voice-controlled television is also connected to the internet is 0.69.
Option C is correct.
What is Probability?Probability refers to potential. A random event's occurrence is the subject of this area of mathematics.
The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events.
The degree to which something is likely to happen is basically what probability means.
let P(V) is the probability of selecting a voice controlled television
and, P(I) is the probability that a selected television is connected to the internet.
So, the probability that a randomly selected voice-controlled television is also connected to the internet
P(I|V) = P(I ∩ V)/P(V)
P( I ∩ V) = 22%
P(V) = 32%
So, P(I|V) = 22%/32% = 0.6875
Learn more about Probability here:
https://brainly.com/question/20145085
#SPJ7
How many minutes are in nine and one fourth hours?
Answer:
555 minutes
Hope this helps!
Answer:
555 9x60=540
540+15=555 there is your answer
remember that 1/4 of an hour is fifteen minutes
pls mark brainliest
Step-by-step explanation:
I need help with Geometry
Answer:
because this is a right triangle, we have''
[tex]\frac{1}{x^{2} }=\frac{1}{36.100}+\frac{1}{64.100}=\frac{1}{2304}\\\\=>x^{2}=2304\\\\ =>x=48[/tex]
Step-by-step explanatio
Find the slope of the graph
Answer:
Step-by-step explanation:
-2/5
Amelia sent an equal number of messages each day for one week. At the end of the week, she has sent 49 messages. How many messages did she send each day?
Answer:
7 messages
Step-by-step explanation:
1 week = 7 days
7 messages a day.
49 divide by 7
please condense and/or solve and show work. log base 4 of 8+log base 4 of 2x=3
Ratio A is equivalent to Ratio B. Ratio B is equivalent to Ratio C. Is Ratio A equivalent to Ratio C? Explain your reasoning.
Answer:
Yes
Step-by-step explanation:
If Ratio A is equivalent to ratio B and Ratio C is equivalent to ratio B than A is equivalent to ratio C
Answer:
Yaa
Step-by-step explanation:
Since ratio A is equivalent to ratio B and ratio C is equivalent to ratio B then A is equivalent to ratio C!!
write an equivalent expression.
-2x + 7
Answer:
7-2x
Step-by-step explanation:
Solve for x
A )180
B)55
C)115
D)82.5
Answer:
55
Step-by-step explanation:
AB // DC
∠B + ∠C = 2x + 15 + x = 180
3x = 165
x = 55
Answer: B. 55
Step-by-step explanation:
You need to know that within one parallelogram, the same-side interior angles are supplementary angles, meaning that they add up to 180°.
---------------------------------------------------------------------------------------
Given
(2x+15)+x=180
Expand parenthesis
2x+15+x=180
Combine like terms
3x+15=180
Subtract 15 on both sides
3x+15-15=180-15
3x=165
Divide 3 on both sides
3x/3=165/3
x=55
Hope this helps!! :)
Please let me know if you have any questions
A rectangular prism has a volume of 210 cubic meters. The length of the prism is 7 meters and the width is 6 meters. (Please help I'm an idiot and I don't know how to do this
Step-by-step explanation:
so we need to find the height as volume=width×length×height
210=6×7×height
210=42×height
height=210/42=5 meters
please mark brainliest
Answer:The answer is 5 (im assuming you need to find height.)
Step-by-step explanation: The formula to find height v/lw so you multiply 7 times 6 and divide that by 210.
Evaluate
89% of
£323.09
Give your answer rounded to 2DP
Answer:
£287.55 (2.d.p)
Step-by-step explanation:
323.09x89/100 = 287.5501
Frank invests $1,000 in simple interest investment account that pays 8% a year. After a number of years, he withdraws his balance of $2,200. Using the formula I = P r t, how many years was his money invested? Work backwards-but find the Interest first!
Answer:
15 years
Step-by-step explanation:
Given data
P=$1,000
R=8%
A= $2200
I= A-P
I=2200-1000
I=$1200
Applying the formula
I=PRT/100
1200=1000*8*T/100
cross multiply
1200*100= 8000T
120000= 8000T
divide both sides by 8000
T=120000/8000
T=15 years
Hence the time is 15 years
Rebecca is making brownies. She uses 4 ½ cups of chocolate chips to make six pans of brownies. How many cups of chocolate chips are needed to make one pan of brownies? Type your answer as a fraction.
Answer:
The answer to this problem is 3/4
Step-by-step explanation:
To answer this problem, you need to divide 4 1/2 by 6. After you did that, your answer will be how many cups of chocolate chips there are in a serving, to check your answer, you can multiply 3/4 by 6 (Sorry if this is incorrect, im pretty sure it is correct) :)
Which statement correctly describes the relationship between the lengths of the sides of the triangle shown below?
A. y squared equals x squared minus z.
B. y squared equals x squared minus z
squared.
C. x squared equals y squared plus z.
D. y plus z is equal to x squared.
Answer:
B. on edge 2021
Step-by-step explanation:
An airplane moves at a constant speed of 120 miles per hour for 3 hours. How far does it go?
Answer:
360 miles
Step-by-step explanation:
Step 1: 120 miles*3 hours
Step 2: 360 miles far.
Please help it's due today. Also please don't help if you don't know.
Answer:
Second Option
2x^10 y^12
Hope it helps....!
I’m so confuse pls help me
I need help please!!!!
Answer:
c - 8.9
Step-by-step explanation:
2.3^2+ 8.6^2
✓79.25
8.9
Someone plz help me
Answer:
jayden is 11.
39 + 2 is 41
41 -30=11
hope this helps
Step-by-step explanation:
Answer:
11? im positive its 11
Step-by-step explanation:
-30 cause hes 30 years younger than his mom
39 + 2 cause the mom is 2 years older then the dad.
39 + 2 = 41
then 41 - 30 = 11
the kid is 11
explain how you will determine the area od the circle if you were given the diameter of the circle
PLEASE CAN YOU EXPLAIN LIKE A BIG PARAGRAPH OF HOW YOU WILL DO IT PLEASE RIGHT NOW LIKE A BIG PARAGRAPH THANK YOU
Answer:
Ok you're talking about "PI"
Area of a circle:
πr^2
What that basically means is
π <- That sign is 3.14
You wanna times that with the radius (r).
The radius is half of the diamater so divde the diameter by 2 then mutiply whatever u get with 3.14
Then the final step is do 3.14 x radias then times 2.
That's it :D
Hope this helps ~